# VIOT DRIVER vs S1 Driver

The clearest difference is update cadence: VIOT DRIVER at every 9 days against S1 Driver's every 3 weeks. VIOT DRIVER also leads on iOS requirement (9.0 vs 13.0). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

VIOT DRIVER ships an update every 9 days, S1 Driver every 3 weeks. The most recent releases landed on October 17, 2026 and October 6, 2026 respectively.

## The numbers

| Metric | VIOT DRIVER | S1 Driver |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 9 days** | Every 3 weeks |
| Size | 36 MB | 56 MB |
| Requires iOS | **9.0** | 13.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [VIOT JOINT STOCK COMPANY](https://appshunter.io/developer/1660419422) | [VIET NAM NUMBER ONE TRANSPORT TECHNOLOGY JOINT STOCK COMPANY](https://appshunter.io/developer/1671165015) |

## What reviewers say

### VIOT DRIVER

[App page](https://appshunter.io/ios/app/viot-driver/id1660454279)

**Features:** macOS Compatibility

**In-app purchases:** none


### S1 Driver

[App page](https://appshunter.io/ios/app/s1-driver/id1671760319)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is VIOT DRIVER free?

VIOT DRIVER is free to download, with no in-app purchases.

### Is S1 Driver free?

S1 Driver is free to download, with no in-app purchases.

### Do VIOT DRIVER or S1 Driver have ads?

Neither VIOT DRIVER nor S1 Driver shows ads.

### Which is updated more often, VIOT DRIVER or S1 Driver?

VIOT DRIVER ships an update every 9 days, and S1 Driver every 3 weeks. Most recently, VIOT DRIVER was updated on October 17, 2026 and S1 Driver on October 6, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*